Yeah. A paleoeschatologist would be someone who studied prehistoric philosophies about the end of the world. It’s a cool idea: maybe the dinosaurs were more contemplative than we have ever imagined (after all, ideas don’t fossilize), and actually did ponder their impending demise…

Come on, we all know that every T. Rex turd would have been a different size and consistency, and T. Rex would have wondered how on earth this related to what he’d eaten the previous day, but never figured out any kind of sensible pattern.